Did 40 min on the treadmill with the alternating 6 min walk, 6 min run. Didn't try to do 6, but I kept going over in time w my walks, so I had to match it in the run.
My walks are about 3.8 to 4 MPH. My runs are 6 MPH. My last minute was hard so I cranked it up to 7 MPH.
I'm sweating balls right now.
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